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Finding the Fourth Proportional to 17.04, 25.66 and 13.52

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Solution

The fourth proportional to 17.04, 25.66 and 13.52 is: 20.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.04 : 25.66 = 13.52 : x
  2. Step 2: Convert to fraction form
    17.04/25.66 = 13.52/x
  3. Step 3: Cross multiply
    17.04x = 25.66 × 13.52
  4. Step 4: Simplify right side
    17.04x = 346.92
  5. Step 5: Solve for x
    x = 346.92/17.04
  6. Step 6: Final answer
    x = 20.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.